<script lang="ts" setup>
import type { MallCouponTemplateApi } from '#/api/mall/promotion/coupon/couponTemplate';

import { reactive, ref } from 'vue';

import * as CouponTemplateApi from '#/api/mall/promotion/coupon/couponTemplate';
import { CouponTemplateTakeTypeEnum } from '#/utils/constants';
import { DICT_TYPE, getIntDictOptions } from '#/utils/dict';
import {
  discountFormat,
  remainedCountFormat,
  takeLimitCountFormat,
  validityTypeFormat,
} from '#/views/mall/promotion/coupon/formatter';

defineOptions({ name: 'CouponSelect' });

const props = defineProps<{
  multipleSelection?: MallCouponTemplateApi.CouponTemplate[];
  takeType: number; // 领取方式
}>();
const emit = defineEmits<{
  (
    e: 'update:multipleSelection',
    v: MallCouponTemplateApi.CouponTemplate[],
  ): void;
  (e: 'change', v: MallCouponTemplateApi.CouponTemplate[]): void;
}>();
const dialogVisible = ref(false); // 弹窗的是否展示
const dialogTitle = ref('选择优惠劵'); // 弹窗的标题
const formLoading = ref(false); // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const loading = ref(true); // 列表的加载中
const total = ref(0); // 列表的总页数
const list = ref<MallCouponTemplateApi.CouponTemplate[]>([]); // 字典表格数据
const queryParams = reactive({
  pageNo: 1,
  pageSize: 10,
  name: null,
  discountType: null,
  canTakeTypes: [CouponTemplateTakeTypeEnum.USER.type], // 只获得直接领取的券
});
const queryFormRef = ref(); // 搜索的表单
const selectedCouponList = ref<MallCouponTemplateApi.CouponTemplate[]>([]); // 选择的数据

/** 查询列表 */
const getList = async () => {
  loading.value = true;
  try {
    // 执行查询
    queryParams.canTakeTypes = [props.takeType] as any;
    const data = await CouponTemplateApi.getCouponTemplatePage(queryParams);
    list.value = data.list;
    total.value = data.total;
  } finally {
    loading.value = false;
  }
};

/** 搜索按钮操作 */
const handleQuery = () => {
  queryParams.pageNo = 1;
  getList();
};

/** 重置按钮操作 */
const resetQuery = () => {
  queryFormRef?.value?.resetFields();
  handleQuery();
};

/** 打开弹窗 */
const open = async () => {
  dialogVisible.value = true;
  resetQuery();
};
defineExpose({ open }); // 提供 open 方法，用于打开弹窗

const handleSelectionChange = (val: MallCouponTemplateApi.CouponTemplate[]) => {
  if (props.multipleSelection) {
    emit('update:multipleSelection', val);
    return;
  }
  selectedCouponList.value = val;
};

const submitForm = () => {
  dialogVisible.value = false;
  emit('change', selectedCouponList.value);
};
</script>
<template>
  <Dialog v-model="dialogVisible" :title="dialogTitle" width="65%">
    <!-- 搜索工作栏 -->
    <ContentWrap>
      <el-form
        ref="queryFormRef"
        :inline="true"
        :model="queryParams"
        class="-mb-15px"
        label-width="82px"
      >
        <el-form-item label="优惠券名称" prop="name">
          <el-input
            v-model="queryParams.name"
            class="!w-240px"
            clearable
            placeholder="请输入优惠劵名"
            @keyup="handleQuery"
          />
        </el-form-item>
        <el-form-item label="优惠类型" prop="discountType">
          <el-select
            v-model="queryParams.discountType"
            class="!w-240px"
            clearable
            placeholder="请选择优惠券类型"
          >
            <el-option
              v-for="dict in getIntDictOptions(
                DICT_TYPE.PROMOTION_DISCOUNT_TYPE,
              )"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button @click="handleQuery">
            <Icon class="mr-5px" icon="ep:search" />
            搜索
          </el-button>
          <el-button @click="resetQuery">
            <Icon class="mr-5px" icon="ep:refresh" />
            重置
          </el-button>
        </el-form-item>
      </el-form>
    </ContentWrap>

    <!-- 列表 -->
    <ContentWrap>
      <el-table
        v-loading="loading"
        :data="list"
        @selection-change="handleSelectionChange"
      >
        <el-table-column type="selection" width="55" />
        <el-table-column label="优惠券名称" min-width="140" prop="name" />
        <el-table-column label="类型" min-width="80" prop="productScope">
          <template #default="scope">
            <dict-tag
              :type="DICT_TYPE.PROMOTION_PRODUCT_SCOPE"
              :value="scope.row.productScope"
            />
          </template>
        </el-table-column>
        <el-table-column label="优惠" min-width="100" prop="discount">
          <template #default="scope">
            <dict-tag
              :type="DICT_TYPE.PROMOTION_DISCOUNT_TYPE"
              :value="scope.row.discountType"
            />
            {{ discountFormat(scope.row) }}
          </template>
        </el-table-column>
        <el-table-column label="领取方式" min-width="100" prop="takeType">
          <template #default="scope">
            <dict-tag
              :type="DICT_TYPE.PROMOTION_COUPON_TAKE_TYPE"
              :value="scope.row.takeType"
            />
          </template>
        </el-table-column>
        <el-table-column
          :formatter="validityTypeFormat"
          align="center"
          label="使用时间"
          prop="validityType"
          width="185"
        />
        <el-table-column align="center" label="发放数量" prop="totalCount" />
        <el-table-column
          :formatter="remainedCountFormat"
          align="center"
          label="剩余数量"
          prop="totalCount"
        />
        <el-table-column
          :formatter="takeLimitCountFormat"
          align="center"
          label="领取上限"
          prop="takeLimitCount"
        />
        <el-table-column align="center" label="状态" prop="status">
          <template #default="scope">
            <dict-tag
              :type="DICT_TYPE.COMMON_STATUS"
              :value="scope.row.status"
            />
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <Pagination
        v-model:limit="queryParams.pageSize"
        v-model:page="queryParams.pageNo"
        :total="total"
        @pagination="getList"
      />
    </ContentWrap>
    <template #footer>
      <el-button :disabled="formLoading" type="primary" @click="submitForm">
        确 定
      </el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
